WTKO20 RKSL 050000 KMA TROPICAL CYCLONE ADVISORY NO. 9 NAME 1813 SHANSHAN ANALYSIS POSITION 050000UTC 23.0N 147.3E MOVEMENT NW 6KT PRES/VMAX 970HPA 68KT FORECAST 24HR POSITION 060000UTC 26.8N 145.2E WITHIN 60NM PRES/VMAX 955HPA 78KT 48HR POSITION 070000UTC 30.1N 143.5E WITHIN 90NM PRES/VMAX 950HPA 84KT 72HR POSITION 080000UTC 33.0N 141.7E WITHIN 135NM PRES/VMAX 965HPA 72KT 96HR POSITION 090000UTC 35.8N 140.3E WITHIN 180NM PRES/VMAX 980HPA 56KT 120HR POSITION 100000UTC 38.9N 142.1E WITHIN 245NM PRES/VMAX 992HPA 45KT KOREA METEOROLOGICAL ADMINISTRATION.